<?php
/*
 * CKFinder
 * ========
 * http://ckfinder.com
 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */
if (!defined('IN_CKFINDER')) exit;

/**
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */

/**
 * Include base XML command handler
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/XmlCommandHandlerBase.php";

/**
 * Handle RenameFolder command
 *
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */
class CKFinder_Connector_CommandHandler_RenameFolder extends CKFinder_Connector_CommandHandler_XmlCommandHandlerBase
{
	/**
	 * Command name
	 *
	 * @access private
	 * @var string
	 */
	private $command = "RenameFolder";


	/**
	 * handle request and build XML
	 * @access protected
	 *
	 */
	protected function buildXml()
	{
		if (empty($_POST['CKFinderCommand']) || $_POST['CKFinderCommand'] != 'true') {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
		}

		if (!$this->_currentFolder->checkAcl(CKFINDER_CONNECTOR_ACL_FOLDER_RENAME)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_UNAUTHORIZED);
		}

		if (!isset($_GET["NewFolderName"])) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_NAME);
		}

		$newFolderName = CKFinder_Connector_Utils_FileSystem::convertToFilesystemEncoding($_GET["NewFolderName"]);
		$_config =& CKFinder_Connector_Core_Factory::getInstance("Core_Config");
		if ($_config->forceAscii()) {
			$newFolderName = CKFinder_Connector_Utils_FileSystem::convertToAscii($newFolderName);
		}
		$resourceTypeInfo = $this->_currentFolder->getResourceTypeConfig();

		if (!CKFinder_Connector_Utils_FileSystem::checkFileName($newFolderName) || $resourceTypeInfo->checkIsHiddenFolder($newFolderName)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_NAME);
		}

		// The root folder cannot be deleted.
		if ($this->_currentFolder->getClientPath() == "/") {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
		}

		$oldFolderPath = $this->_currentFolder->getServerPath();
		$bMoved = false;

		if (!is_dir($oldFolderPath)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
		}

		//let's calculate new folder name
		$newFolderPath = dirname($oldFolderPath).DIRECTORY_SEPARATOR.$newFolderName.DIRECTORY_SEPARATOR;

		if (file_exists(rtrim($newFolderPath, DIRECTORY_SEPARATOR))) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_ALREADY_EXIST);
		}

		$bMoved = @rename($oldFolderPath, $newFolderPath);

		if (!$bMoved) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_ACCESS_DENIED);
		} else {
			$newThumbsServerPath = dirname($this->_currentFolder->getThumbsServerPath()) . '/' . $newFolderName . '/';
			if (!@rename($this->_currentFolder->getThumbsServerPath(), $newThumbsServerPath)) {
				CKFinder_Connector_Utils_FileSystem::unlink($this->_currentFolder->getThumbsServerPath());
			}
		}

		$newFolderPath = preg_replace(",[^/]+/?$,", $newFolderName, $this->_currentFolder->getClientPath()) . '/';
		$newFolderUrl = $resourceTypeInfo->getUrl() . ltrim($newFolderPath, '/');

		$oRenameNode = new Ckfinder_Connector_Utils_XmlNode("RenamedFolder");
		$this->_connectorNode->addChild($oRenameNode);

		$oRenameNode->addAttribute("newName", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($newFolderName));
		$oRenameNode->addAttribute("newPath", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($newFolderPath));
		$oRenameNode->addAttribute("newUrl", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($newFolderUrl));
	}
}
